Combined machine-wrench and clamp.



No. 871,482. PATENFIED NOV. 19, 1907.

0. J. 000mm. COMBINED MACHINE WRENCH AND CLAMP.

APPLIOATIOK FILED MAB. 18.1907- 7 2 SHEETS-SHEET 1.

wvewlioz a M I wimeooeo M. 871,482. I PATENTED NOV. 19, 1907;

G.J.0OULTER.

COMBINED MACHINE WRENCH AND CLAMP.

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2 SHEETS-SHEET 2.

(am/w CHARLES J. COULTER, OF LONGMONT, COLORADO.

COMBINED MACHINE-WRENCH AND CLAMP.

Specification of Letters Patent.

Patented N ov.- 19, 1907.

Application filed March 18. 1907. Serial No. 363.093-

To. all whom it may concern:

Be it known that 1, CHARLES J. COULTER,

a citizen .of the United States, residing at- Longmont, in the county ofBoulder and Stateof Colorado, have invented certain newandpuseful'lmprovements in a Combined Machine-Trench and Clamp; .and Ido declare the following to be a full,. clear, and exact description ofthe invention, such as will enableothers skilled in the art to which itappertains to make and use the same, reference being .had to theaccompanying drawings and tothe letters and figures of referencemarkedthereon, which form a part of this specification.

lVIy.invention.relates to a machine wrench provided .with. a clampingattachment.

The invention is more especially adapted for use in forming railway railjoints, where it is necessary! to apply fish plates to the oppositesidesof the rail and bolt the same in place.

The --clamping member of my improved constructionis adapted to straddlethe rail and engagethe head of the bolt, whereby the latter. is forcedtightly against the plate on one side, and thethreaded extremity of thebolt causedto protrude to its full length from the fish plate on theopposite side where- ;by thelnut may be advantageously applied thereto.

The-wrench ortion of the mechanism is adapted to app y the nut after theclamping mechanism has been placed in position.

, Myimproved wrench mechanism is provided with a hand crank connected inoperative relation with the device for actuating thenut, by means ofsprocket wheels andchains, whereby any desired leverage may be obtained;

Having briefly outlined my improved construction, I will proceed todescribe the same in detail-reference being made to the accompanyingdrawing in which is illustrated an embodiment thereof.

In this drawing, Figure 1 is an elevation of my improved mechanismshowing the rail in cross section and the fish plates in end view.

In this :view the mechanism is shown in operative relation with therail-and fish plates. Fig. 2 is asidef elevation of the same. Fig. 3 isa view of the clamping mechanism looking in the direction of the arrowin Fig. 1. Fig. 4 is a section taken on the line 44 Fig. 2.

.Fig.i 5 is a detail view of the lever employed in connection with theclamping mechanism.

Fig. 6 is an end view of the socket headof the wrench spindle. Fig. 7 isa side elevation of the said spindle.

The same reference characters indicate the same parts in all the views.

Let the numeral 5 designatea railroad rail and 6 andfi the fish platesapplied to the opposite sides of the web of the rail in the usualmanner. These fish plates are secured in place by means of a bolt -7passing through registering openings formed in the plates and the web oftherail. The clamping part of my improved mechanism consists of two jaws8 and 9 pivotally connected together at 10. Thispivot is located justabove the jaws proper and it is passed through apertures formed in lugs12 and 13. The jaw 8 is adapted to extend downwardly and engage thehead.of the bolt 7, while the jaw 9 is bifurcated its two arms being adaptedto engage the fish plate 6 on the opposite side of the rail, therespective arms engaging the said plate on opposite sides of thethreaded extremity of the nut. The jaws 8 and 9 are provided with arms14 and 15 respectively extending above the pivot. The arm 15 is securedby cap screws 16 to a depending arm 17 pivotally connected at. 18withthe frame 19 of the wrench. The upper extremity of the arm 14 isprovided with an opening through which a bolt 20 passes, the said boltbeing threaded in the upper part of the arm 15.

The bolt opening in the arm 14 .is sulficiently large to allow the armto swing freely on the bolt. Fulcrumed on this bolt between the twoarms, is a lever 21. having 'a wedge-shaped projection22 adapted to passbetween the upper extremities of the arms 14 and 15, whereby the arm 14is actuated to cause the jaw 8 to clamp the head of the bolt 7 and forcethe latter through the fish plates and the web of the rail as heretoforeexplained.

The frame 19 of the wrench mechanism consists of two .upright members 23and 24 suitably connected and properly spaced. The upper extremities ofthese two members are connected by a bolt 26 passing through a spacingsleeve 27. Below this bolt is located all a crank shaft 28 upon which ismounted a sprocket wheel 29 having a spacing hub 30 interposed betweenthe two frame members. To one extremity of this shaft is applied a handcrank 31. Below the shaft 28 is a second shaft 32 upon which is mounteda hub 33 carrying sprocket wheels 34 and 35, the wheel 35 being largerthan the wheel 29 and also larger than the wheel 34. The lower part ofthe frame is provided with a hollow shaft 37 carrying a sprocket wheel38, the said shaft being journaled in the frame. The sprocket wheel 29is connected with the sprocket 35 by a chain 39; while the wheel 34 isconnected with the wheel 38 by a chain 40.

The hollow shaft or hub 37 of the wheel 38,

is provlded with an angular socket adapted to receive the shank 41 ofthe socket wrench head 42. The shank or spindle 41 fits the opening ofthe hub 37 quite closely adjacent the head. The spindle opening,however, of the wheel hub increases in size toward the oppositeextremity of the spindle, thus allowing the head of the wrench aconsiderable degree of oscillating movement, whereby it is capable ofautomatic adjustment when rotated adjacent the nut 45 to be turned.

In order to prevent the wrench member from slipping out of its socket, awasher 43 is applied to the extremity of the wrench spindle remote fromits head, by means of a screw 44. This washer allows the shank of thewrench to oscillate freely within the opening of the hollow shaft orhead but at the same time performs its aforesaid function.

The cap screws 16 which connect the arm 17 with the arm 15 of the clamp,pass through slots 17 formed in the arm 17, whereby the relativevertical position of the clamping device may be changed at will.

From the foregoing description the use and operation of my improvedmachine wrench and clamp will be readily understood. Assuming that it isdesired to connect the fish plates 6 and 6 with two abutting rail ends5, the operation is as follows: The fish plates are placed in positionon opposite sides of the abutting rail ends, after which the bolt 7 isput in place andthe nut 45 started upon the threaded extremity thereof.My improved machine is then put in the relative position indicated inFigs. 1 and 2, that is to say with the jaws 8 and 9 straddling the railsand fish plates, the jaw 8 engaging the head of the nut 7, while the jaw9 engages the fish plate on the opposite side, its arms occupyingpositions on opposite sides of the nut. After which the lever 21 ismoved downwardly causing its wedge-shaped part 22 to pass between thearms 14 and 15, whereby the jaw 8 is forced against the bolt 7 and thelatter driven through the fish plates and rail to its utmost limit ofmovement. When this is accomplished, the hinge 18, allows the sockethead 42 of the wrench member to come in contact with the nut. The handcrank 21 is then turned, whereby the wrench head is rotated and the nutscrewed upon the bolt in a manner that will be readily understood.

The opposite arms of the clamping jaw 9 may be provided with bolts 9adapted to.

i pass-through the said arms and engage the fish plates. By theadjustment of these bolts the clamp may be advantageously employed inconnection with devices of various thicknesses. In other words thesebolts may be convenient under circumstances where it might be difficultto bring the jaw 9 in engagement with the parts to be connected.However, by the use of the bolts a practically unlimited range ofadjustment may be obtained.

Having thus described my invention, what I claim is:

1. A combined machine wrench and clamp, comprising clamping jawspivotally connected, one jaw being bifurcated to straddle the bolt whilethe other jaw is adapted to engage the he ad thereof, the clamping j awsbeing provided with arms projecting above the pivot,

and a lever having a fulcrum connected with one arm and upon which theother arm moves freely, the said lever having a wedge shaped projectionadapted to pass between the arms of the clamping jaws whereby .thelatter are forced into operative engagement with the adjacentpart, and awrench to whose frame the clamp is hinged, substantially as described.

2. A combined wrench and clamp, the wrench having a frame in which isjournaled a socket head, means mounted on the frame for rotating thesaid head, the clamp mechanism comprising jaws pivotally connected, onejaw being adapted to engage the bolt head and the other jaw beingadapted to straddle the threaded extremity of the bolt, one of theclamping jaws being freely movable, and a lever provided with a wedgeshaped member suitably fulcrumed and adapted to pass between the arms ofthe jaws for clamping purposes, the wrench and clamping mechanism beingsubstantially as described.

3. In a wrench mechanism, the combination of a frame, a hollow shaft orhub journaled in the frame, a wrench member having a spindle engagingthe said shaft, a locking means mounted on the spindle extremity remotefrom the wrench member and engaging said shaft, the shaft and spindlebeing arranged to rotate in unison, the opening in the shaft increasingin size from the wrench head outwardly to allow the latter aconsiderable degree of oscillation for the purpose of adjustment, andsuitable means mounted on the frame for rotating the shaft and spindle,substantially as described.

4. Thecombination of wrench mechanism having a frame, a head journaledtherein, and means for rotating the socket head, and

hinged together,

clamping mechanism composed of two jaws pivotally connected and providedwith arms extending beyond the pivot, the said arms member journaledbetween the upper exarms toiimpart the clamping movement to the jaws,one of the arms being hinged to the frame of the wrench, and a hin econnecting the wrench and clamping mechanism, substantially asdescribed.

5. The combination of a clamp having jaws adapted to straddle the partsto be connected by a bolt, a wedge shaped member j ournaled between theupward extremities of the clamp for separating the arms to impart theclamping movement to the jaws, one of the jaws being arranged to engagethe head of the bolt, and a machine wrench hinged to the clamp wherebythe Wrench member is allowed to swing toward and away from the nut to beapplied to the bolt, substantially as described.

In testimony whereof I a'llix my signature in presence of two witnesses.

CHARLES J. COULTER. WVitnesses:

DENA NELSON, A. J. OBRIEN.

